html, body, form {
    height: 100%;
    width: 100%;
    overflow: hidden;
}
.login-form {
    position: relative;
    z-index: 4;
    background: #fff;
    overflow: visible;
    width: 346px;
    border: 1px solid #eee;
    height: 385px;
    margin: 0 auto;
}
.login-form .login-tab {
    width: 173px;
    height: 54px;
    font-size: 18px;
    font-family: "microsoft yahei";
    text-align: center;
    border-bottom: 1px solid #f4f4f4;
    position: absolute;
    background: #fff;
    display: block;
}
.login-form .login-tab a {
    width: 99%;
    height: 18px;
    position: absolute;
    left: 0;
    top: 18px;
    border-right: 1px solid #f4f4f4;
    text-decoration: none;
    color: #009af7;
}
.login-form .login-tab a.checked, .login-form .login-tab a:hover {
    color: #e4393c;
}
.login-form .login-tab-r {
    right: 0;
}
.login-form .login-tab-r a {
    border-right: none !important;
}
.qrcode-login {
    margin-top: 100px;
    text-align: center;
}
.qr-wrapper img {
    display: block;
    width: 150px;
    margin: 0 auto;
}
#txtCode {
    height: 32px;
    padding: 2px 5px;
    box-sizing: border-box;
}
#btnSubmit {
    height: 32px;
    padding: 0 10px;
    border: none;
    display: inline-block;
    vertical-align: middle;
    cursor: pointer;
}
.login-box {
    margin-top: 100px;
    padding: 20px;
}
.form-group input {
    box-sizing: border-box;
    width: 100%;
}
.form-group [type=text], .form-group [type=password] {
    height: 36px;
    border-radius: 2px;
    box-shadow: none;
    padding-left: 10px;
    border: 1px solid #adadad;
}